Regulations last checked for updates: Feb 03, 2026

Title 40 - Protection of Environment last revised: Dec 31, 2026
All TitlesTitle 40Chapter IPart 158Subpart O - Subpart O—Residue Chemistry
authority: 7 U.S.C. 136-136y; 21 U.S.C. 346a.
source: 72 FR 60957, Oct. 26, 2007, unless otherwise noted.
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